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Hafnium
Hafnium

Seaborgium
Seaborgium



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Hafnium
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Seaborgium

Facts About Hafnium and Seaborgium

1 Facts
1.1 Interesting Facts
  • Hafnium metal is highly reactive, hence not found free in nature.
  • Hafnium metal as predicated after Mendeleev finished his periodic table.
  • Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
  • And other isotopes of Seaborgium have half-lives as short as 3 ms.
1.2 Sources
By-product Zirconium Refining
Synthetically Produced
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
Lawrence Berkeley National Laboratory
1.3.2 Discovery
In 1922
In 1974
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-8 %NA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0000001 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.00 %NA
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.00 %NA
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.00 %NA
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4